A171165 A polyspiral path: a(n) represents the n-th vertex of a lattice path with an infinite number of finite square spirals.

0, 2, 4, 5, 6, 10, 14, 15, 16, 18, 20, 23, 26, 33, 40, 41, 42, 44, 46, 49, 52, 56, 60, 65, 70, 80, 90, 91, 92, 94, 96, 99, 102, 106, 110, 115, 120, 126, 132, 139, 146, 159, 172, 173, 174, 176, 178, 181, 184, 188, 192, 197, 202, 208, 214

Offset

0,2

Comments

Also, partial sums of the sequence formed by 0 together the numbers of A171173 repeated.

For another version see A171166.

Links

Table of n, a(n) for n=0..54.

Crossrefs

Cf. A171166, A171173, A171174, A171175, A171176, A171177, A171178.

Sequence in context: A128171 A233768 A240748 * A039036 A219046 A043045

Adjacent sequences: A171162 A171163 A171164 * A171166 A171167 A171168

Keyword

easy,nonn

Author

Omar E. Pol, Mar 14 2010

Status

approved